Cantaloupe continues its recording series of the masterworks of the music of our time with this brilliant disc of two early classics by composer Philip Glass, performed by the Bang on a Can All-Stars. Glass is arguably minimalism's most well-known and influential composer. Before film soundtracks, operas, and universal acclaim, there were these intense, rugged, and demanding early works for keyboard. In Music in Fifths and Two Pages, Philip Glass's ideas are at their most basic, using only addit…